How do we do it? 2.) Deleting “Ghost Reminders” using MFCMapi

Consider the following scenario:   You’re Mailbox resides on an Exchange 2003, Exchange 2007 or Exchange 2010 Server.   You are using Outlook 2003, Outlook 2007 or Outlook 2010.   You have a incoming  meeting request your INBOX. You accept it, it gets saved to your calendar as accepted. Now you have the meeting.   The meeting…

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Setup for Exchange 2010 Service Pack 1 failing with : “Process execution failed with exit code 1168”

Consider the following Scenario:   You have an Exchange 2010 Organisation. When you try to install for Example Service Pack 1, Setup fails with exit code 1168.   We see this in many cases, error 1168 is a generic error.   When you examine the ExchangeSetup.log file on the C Drive ( C:\ExchangeSetupLogs) you find…

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OWA Signature Size in Exchange 2007

In Exchange 2003 we had an issue with the Signature Size that could be entered in OWA.   The size was per  Code set to 4Kb, and we could modify the size by modifying the following Registry Key on the Exchange 2003 Server:   HKLM\SYSTEM\CurrentControlSet\Services\MSExchangeWEB\OWA\SignatureMaxLength   If we set this to a value of 16000…

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How do we do it? 1.) Forwarding ICS Files to External Recipients

Consider the following scenario:   You create a Meeting Request, add an External Contact from your Outlook Contacts for Ex: External@Something.com     You want to forward this as iCalendar to somebody for Ex: Somebody@Something.com      A new Email is created with the .ICS File as attachment:     If you save the .ICS…

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Outlook Web App 2010 Redirect to Outlook Web Access 2007 for New Mailboxes when selecting German language at first Logon resulting in 400 Bad Request.

Consider the following scenario – Exchange 2010 SP1 RU1 + Exchange 2007 SP3 mixed environment.   Internet Facing CAS Server is an Exchange 2010 SP1 RU1 CAS. 1.)    Create a new User on  Exchange 2007, open Outlook Web App 2010 to log on to Exchange 2007 Mailbox https://Exchange2010server/owa and Log On 2.)    Select German as…

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Using MFCMapi to connect to the Exchange System Attendant Mailbox / Arbitration Mailbox

Here’s some info on how to use MFCMapi to connect to the System Attendant Mailbox when needed. This particular example is for Free Busy messages filling up the System Attendant Mailbox, we want to clean them up. In these specific Cases, you will get Warning and Logon Events in the Application Logs as follows:   Event Type: WarningEvent Source: MSExchangeISEvent…

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